diff --git a/htdocs/core/lib/pdf.lib.php b/htdocs/core/lib/pdf.lib.php
index 87ec1643ef2..676f89b3547 100644
--- a/htdocs/core/lib/pdf.lib.php
+++ b/htdocs/core/lib/pdf.lib.php
@@ -451,11 +451,14 @@ function pdf_bank(&$pdf,$outputlangs,$curx,$cury,$account,$onlynumber=0,$default
 {
 	global $mysoc, $conf;
 
+	$diffsizetitle=(empty($conf->global->PDF_DIFFSIZE_TITLE)?3:$conf->global->PDF_DIFFSIZE_TITLE);
+	$diffsizecontent=(empty($conf->global->PDF_DIFFSIZE_CONTENT)?4:$conf->global->PDF_DIFFSIZE_CONTENT);
+	
 	$pdf->SetXY($curx, $cury);
 
 	if (empty($onlynumber))
 	{
-		$pdf->SetFont('','B',$default_font_size - 3);
+		$pdf->SetFont('','B',$default_font_size - $diffsizetitle);
 		$pdf->MultiCell(100, 3, $outputlangs->transnoentities('PaymentByTransferOnThisBankAccount').':', 0, 'L', 0);
 		$cury+=4;
 	}
@@ -472,7 +475,7 @@ function pdf_bank(&$pdf,$outputlangs,$curx,$cury,$account,$onlynumber=0,$default
 
 		if (empty($onlynumber))
 		{
-			$pdf->SetFont('','',$default_font_size - 4);
+			$pdf->SetFont('','',$default_font_size - $diffsizecontent);
 			$pdf->SetXY($curx, $cury);
 			$pdf->MultiCell(100, 3, $outputlangs->transnoentities("Bank").': ' . $outputlangs->convToOutputCharset($account->bank), 0, 'L', 0);
 			$cury+=3;
@@ -544,12 +547,12 @@ function pdf_bank(&$pdf,$outputlangs,$curx,$cury,$account,$onlynumber=0,$default
 	}
 	else
 	{
-		$pdf->SetFont('','B',6);
+		$pdf->SetFont('','B',$default_font_size - $diffsizecontent);
 		$pdf->SetXY($curx, $cury);
 		$pdf->MultiCell(100, 3, $outputlangs->transnoentities("Bank").': ' . $outputlangs->convToOutputCharset($account->bank), 0, 'L', 0);
 		$cury+=3;
 
-		$pdf->SetFont('','B',6);
+		$pdf->SetFont('','B',$default_font_size - $diffsizecontent);
 		$pdf->SetXY($curx, $cury);
 		$pdf->MultiCell(100, 3, $outputlangs->transnoentities("BankAccountNumber").': ' . $outputlangs->convToOutputCharset($account->number), 0, 'L', 0);
 		$cury+=3;
@@ -561,7 +564,7 @@ function pdf_bank(&$pdf,$outputlangs,$curx,$cury,$account,$onlynumber=0,$default
 	if ($account->getCountryCode() == 'IN') $ibankey="IFSC";
 	if ($account->getCountryCode() == 'IN') $bickey="SWIFT";
 
-	$pdf->SetFont('','',6);
+	$pdf->SetFont('','',$default_font_size - $diffsizecontent);
 
 	if (empty($onlynumber) && ! empty($account->domiciliation))
 	{
diff --git a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
index 15ee4e29aba..fb164f04876 100755
--- a/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
+++ b/htdocs/core/modules/facture/doc/pdf_crabe.modules.php
@@ -731,20 +731,22 @@ class pdf_crabe extends ModelePDFFactures
 				// Si mode reglement non force ou si force a CHQ
 				if (! empty($conf->global->FACTURE_CHQ_NUMBER))
 				{
+					$diffsizetitle=(empty($conf->global->PDF_DIFFSIZE_TITLE)?3:$conf->global->PDF_DIFFSIZE_TITLE);
+						
 					if ($conf->global->FACTURE_CHQ_NUMBER > 0)
 					{
 						$account = new Account($this->db);
 						$account->fetch($conf->global->FACTURE_CHQ_NUMBER);
 
 						$pdf->SetXY($this->marge_gauche, $posy);
-						$pdf->SetFont('','B', $default_font_size - 3);
+						$pdf->SetFont('','B', $default_font_size - $diffsizetitle);
 						$pdf->MultiCell(100, 3, $outputlangs->transnoentities('PaymentByChequeOrderedTo',$account->proprio),0,'L',0);
 						$posy=$pdf->GetY()+1;
 
 			            if (empty($conf->global->MAIN_PDF_HIDE_CHQ_ADDRESS))
 			            {
 							$pdf->SetXY($this->marge_gauche, $posy);
-							$pdf->SetFont('','', $default_font_size - 3);
+							$pdf->SetFont('','', $default_font_size - $diffsizetitle);
 							$pdf->MultiCell(100, 3, $outputlangs->convToOutputCharset($account->owner_address), 0, 'L', 0);
 							$posy=$pdf->GetY()+2;
 			            }
@@ -752,14 +754,14 @@ class pdf_crabe extends ModelePDFFactures
 					if ($conf->global->FACTURE_CHQ_NUMBER == -1)
 					{
 						$pdf->SetXY($this->marge_gauche, $posy);
-						$pdf->SetFont('','B', $default_font_size - 3);
+						$pdf->SetFont('','B', $default_font_size - $diffsizetitle);
 						$pdf->MultiCell(100, 3, $outputlangs->transnoentities('PaymentByChequeOrderedTo',$this->emetteur->name),0,'L',0);
 						$posy=$pdf->GetY()+1;
 
 			            if (empty($conf->global->MAIN_PDF_HIDE_CHQ_ADDRESS))
 			            {
 							$pdf->SetXY($this->marge_gauche, $posy);
-							$pdf->SetFont('','', $default_font_size - 3);
+							$pdf->SetFont('','', $default_font_size - $diffsizetitle);
 							$pdf->MultiCell(100, 3, $outputlangs->convToOutputCharset($this->emetteur->getFullAddress()), 0, 'L', 0);
 							$posy=$pdf->GetY()+2;
 			            }